http: new_game and get_game demo

Cargo.lock

@@ -633,6 +633,7 @@ dependencies = [
  "rocket",
  "serde",
  "serde_json",
+ "uuid",
 ]
 
 [[package]]
@@ -879,6 +880,7 @@ dependencies = [
  "tokio-stream",
  "tokio-util",
  "ubyte",
+ "uuid",
  "version_check",
  "yansi",
 ]
@@ -925,6 +927,7 @@ dependencies = [
  "time",
  "tokio",
  "uncased",
+ "uuid",
 ]
 
 [[package]]
@@ -1332,6 +1335,16 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "uuid"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f00cc9702ca12d3c81455259621e676d0f7251cec66a21e98fe2e9a37db93b2a"
+dependencies = [
+ "getrandom",
+ "serde",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"

Cargo.toml

@@ -6,8 +6,9 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rocket = { version = "0.5.0", features = ["json"] }
+rocket = { version = "0.5.0", features = ["json", "uuid"] }
 serde = "1.0.196"
 
 rand = "0.8.5"
 serde_json = "1.0.113"
+uuid = { version = "1.7.0", features = ["serde", "v4"] }

src/azul.rs

@@ -7,7 +7,7 @@ use rand::distributions::WeightedIndex;
 use rand::prelude::*;
 
 #[derive(Serialize, Deserialize)]
-struct GameState {
+pub struct GameState {
     n_players: usize,
     current_player: usize,
     starting_player: usize,
@@ -21,10 +21,10 @@ struct GameState {
     players: Vec<Player>,
     #[serde(skip)]
     #[serde(default = "make_rng")]
-    rng: Box<dyn RngCore>,
+    rng: Box<dyn RngCore + Send>,
 }
 
-fn make_rng() -> Box<dyn RngCore> {
+fn make_rng() -> Box<dyn RngCore + Send> {
     Box::new(StdRng::from_entropy())
 }
 

src/main.rs

@@ -1,15 +1,50 @@
+use rocket::response::status::NotFound;
 use rocket::serde::{json::Json, Serialize};
+use rocket::State;
 #[macro_use]
 extern crate rocket;
 
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
+
 mod azul;
 
+#[derive(Default)]
+struct SharedState {
+    games: Arc<Mutex<HashMap<uuid::Uuid, azul::GameState>>>,
+}
+
 #[get("/")]
 fn index() -> String {
     "Hello, world!".to_string()
 }
 
+#[get("/game/<id>")]
+fn get_game(
+    id: uuid::Uuid,
+    shared: &State<SharedState>,
+) -> Result<Json<azul::GameState>, NotFound<&'static str>> {
+    let games = shared.games.lock().unwrap();
+    let game = games.get(&id).ok_or(NotFound("Game not found"))?;
+
+    return Ok(Json(game.to_owned()));
+}
+
+#[get("/new_game")]
+fn new_game(shared: &State<SharedState>) -> Result<Json<uuid::Uuid>, &'static str> {
+    let id = uuid::Uuid::new_v4();
+    let game = azul::GameState::new(2)?;
+
+    let mut games = shared.games.lock().unwrap();
+    games.insert(id, game);
+
+    return Ok(Json(id));
+}
+
 #[launch]
 fn rocket() -> _ {
-    rocket::build().mount("/", routes![index])
+    rocket::build()
+        .manage(SharedState::default())
+        .mount("/", routes![index])
+        .mount("/api/", routes![get_game, new_game])
 }